it's not strong enough for glass boards

du vil have printet

The magnet is often used for machines in ex

and 2 pieces can be used magnetically against each other without thinking about polarity

Ringbindsmekanisme 2-rings D-form, Magnetisk engros it's not strong enough forMagnetic ring binder mechanism Magnetic mounting Now you can buy ring binder mechanisms to hang on the whiteboard or other magnetic surface. The is the standard European A4 hole size (80 mm between the holes), allowing you to use a regular hole puncher for papers you want to hang up. Strong enough to hold A4 and A3 papers. This model has 2 D rings, allowing for papers to hang nicely on the wall. Widely used for LEAN boards. Made with strong power